BACKGROUND: The Escherichia coli chaperonin GroEL subunit consists of three domains linked via two hinge regions. and each domain is responsible for a specific role in the functional mechanism. Here. we have used circular permutation to study the structural and functional characteristics of the GroEL subunit. https://safeersappliancers.shop/product-category/siemens-iq700-ex807lx67e-induction-hob-self-sufficient-with-hob-extractor/